Home / 221,688.30-332,550.78-95,331.54

Finding the Fourth Proportional to 221,688.30, 332,550.78 and 95,331.54

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Solution

The fourth proportional to 221,688.30, 332,550.78 and 95,331.54 is: 143,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,688.30 : 332,550.78 = 95,331.54 : x
  2. Step 2: Convert to fraction form
    221,688.30/332,550.78 = 95,331.54/x
  3. Step 3: Cross multiply
    221,688.30x = 332,550.78 × 95,331.54
  4. Step 4: Simplify right side
    221,688.30x = 31,702,577,985.60
  5. Step 5: Solve for x
    x = 31,702,577,985.60/221,688.30
  6. Step 6: Final answer
    x = 143,005.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.